1)Alien ball game has no advertisements and does not require any purchases during the game.
2)The characteristic of the Alien ball game is to catch and eat aliens and destroy them with weapons.
3) There are 100 levels from 1.0 to 10.9.
4) From 1.0 to 1.9, “1 representative Alien Ball” appears at the same time, from 2.0 to 2.9, “2 representative Alien Balls”... From 10.0 to 10.9, “10 representative Alien Balls” appear simultaneously.
5) There is one Option Ball, so if you eat it, you will gain powerful firepower.
6) When the game starts, 9 "obstructors" protecting the "Representative Aliens" are placed in the element elements, and the "Space Guardian (main character)" must properly avoid their interference to annihilate the "Representative Aliens". When they are wiped out, those who were "disruptors" immediately turn into Aliens. The “Space Guardian” (protagonist) must annihilate them again.
7) If everyone is wiped out within the stipulated time, the level is successful. If you succeed at level 9 of each level, you can see the trophy completely, and there are 10 trophies in total.
8) You only need to succeed once to level up, and you must fail three or more times to level down.
Leveling down is difficult and leveling up is easy.